Grand Slam winners: Meet the Ireland U-20 squad

15 Patrick Campbell

Club: Young Munster

School: PBC Cork

Age: 19

Height: 5ft10in

Aitzol King comes into Ireland U20 side for tilt at Grand Slam

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Weight: 88kgs (13st 10lbs)

Lowdown: A try scorer for Munster in the Champions Cup, he was an accomplished Gaelic footballer winning an Ireland minor title with Cork (2019) and playing for Nemo Rangers. His first instinct is to counter-attack but he possesses a superb all-round game.

14 Aitzol King

Club: Clontarf

School: CUS

Age: 19

Height: 6ft3in

Weight: 97kgs (15st 3lbs)

Lowdown: One of triplets along with brothers, Iker and Kealan, he first played rugby with Balbriggan before joining Clontarf. He came on as a second-half replacement against England scoring two brilliant tries, the second an acrobatic finish in the corner; he starts against Scotland.

13 Jude Postlethwaite

Club: Banbridge

School: RBAI

Age: 19

Height: 6ft4in

Weight: 101kgs (15st 9lbs)

Lowdown: Came in to play his first match of the campaign in round three against Italy and has been excellent in his two matches. Spent time with the Ireland Sevens; runs good lines and is very good at off-loading in and through the tackle.

12 Ben Carson

Club: Banbridge

School: Wallace High School

Age: 20

Height: 6ft

Weight: 100kgs (15st 7lbs)

Lowdown: He played four matches last season including one start and recovered from a punctured spleen to play his first game against England. He is a strong, direct player with a good passing game and forms a centre partnership developed in the Banbridge club. His favourite player is Sonny Bill Williams.

11 Fionn Gibbons

Club: UCD

School: Castleknock College

Age: 19

Height: 6ft4in

Weight: 100kgs (15st 7lbs)

Lowdown: He started the campaign in his natural position of centre but, as players returned from injury, he has moved to the left wing. He is direct and powerful and uses that strength to good effect in his offloading game.

10 Charlie Tector

Club: Lansdowne

School: Kilkenny College

Age: 19

Height: 6ft2in

Weight: 95kgs (14st 11lbs)

Lowdown: Related to the Irish cricketer Harry, he demonstrated a nerveless temperament in kicking the match-winning conversion against France and his work from the kicking-tee has been first class. Enniscorthy-born, he first learned to play at the local club.

9 Matthew Devine

Club: Galway Corinthians

Age: 20

School: Garbally College

Height: 5ft10in

Weight: 84kg (13st 3lbs)

Lowdown: The son of former Offaly footballer Mike, Matthew and his brother John (Under-18 clubs) have both represented Ireland at rugby. Strong and quick on the fringes, he is joint-leading try scorer for the team with three in the campaign so far.

1 Jack Boyle

Club: UCD

School: St Michael's College

Age: 20

Height: 6ft1in

Weight: 106kg (16st 7lbs)

Lowdown: Played four matches in last season's campaign, coming on in three, he started his rugby with Old Wesley minis, won medals for hammer and long jump and an SCT winner's medal in rugby with St Michael's (2019). Great footwork to go with power, he has been a key player.

2 James McCormick

Club: Ballymena

School: Dalriada

Age: 20

Height: 6ft

Weight: 106kgs (16st 7lbs)

Lowdown: He scored tries against Wales and the 'less famous' one, the first of two that day in the victory over France. Ireland's lineout has been absolutely superb and he's obviously a key player in that but he also brings so much in his work around the pitch.

3 Rory McGuire

Club: UCD

School: Blackrock College

Age: 19

Height: 6ft4in

Weight: 118kgs (18st 7lbs)

Lowdown: He was arguably Ireland's best player in the opening 60 minutes of the victory over England and his performance graph has risen steadily upwards since taking the starting role in the second game against France. A very good all -round player.

4 Conor O’Tighearnaigh

Club: UCD

School: St Michael's College

Age: 18

Height: 6ft7in

Weight: 109kgs (17st 2lbs)

Lowdown: The youngest member of the squad and eligible again next year, he forms a secondrow partnership with Mark Morrissey that goes back to the days of mini rugby at Bective Rangers. He's been consistently excellent.

5 Mark Morrissey

Club: UCD

School: Blackrock College

Age: 20

Height: 6ft5in

Weight: 98kgs (15st 5lbs)

Lowdown: Another member of last year's team, he has taken on the responsibility of calling Ireland's lineout, a duty he's discharged superbly while also contributing handsomely in every facet of the game; a try scorer against Wales.

6 Lorcan McLoughlin

Club: QUB

School: Sherborne School, Dorset

Age: 19

Height: 6ft3in

Weight: 105kgs (16st 7lbs)

Lowdown: Hailing from Dorset but studying at Queen's and attached to the Ulster academy, a try-scoring cameo against Italy in which he excelled was followed by another try in a standout performance in the England win.

7 Reuben Crothers, capt

Club: Ballynahinch

Age: 20

School: Wallace High School

Height: 6ft1in

Weight: 97kgs (15st 3lbs)

Lowdown: A player who has been a leader on and off the pitch for his teammates; 55 tackles made in the tournament and none missed, the most of any player. He scored tries against Wales and Italy but it's just the tip of the iceberg when it comes to his contribution.

8 James Culhane

Club: UCD

School: Blackrock College

Age: 19

Height: 6ft4in

Weight: 107kgs (16st 10lbs)

Lowdown: He would probably be the frontrunner for player of the tournament and has already accumulated several man-of-the-match awards. His carrying has been outstanding; the lines of running and footwork through contact have bamboozled physically bigger men.

16 Josh Hanlon

Club: Ballynahinch

School: Down High School

Age: 20

Height: 6ft

Weight: 101kgs (15st 9lbs)

Lowdown: He has come off the bench in three of the four matches in the campaign to date – he wasn't used against France – for a combined total of 43 minutes.

17 Oisín Michel

Club: Lansdowne

School: Patrician Secondary School, Newbridge

Age: 19

Height: 6ft1in

Weight: 107kgs (16st 9lbs)

Lowdown: He came through the Youths pathway with Cill Dara rugby club before moving to Lansdowne and has played in three of Ireland's four matches to date, getting 31 minutes in the win over Wales.

18 Scott Wilson

Club: QUB

School: Wallace High School

Age: 19

Height: 6ft2in

Weight: 119kgs (18st 8lbs)

Lowdown: He was the first choice tighthead at the start of the tournament and produced a great performance against Wales but following injury only returned for the English match where he started on the bench. A huge work-rate and very good on both sides of the ball.

19 Adam McNamee

Club: Malone

School: Methodist College, Belfast

Age: 19

Height: 6ft5in

Weight: 110kgs (17st 4lbs)

Lowdown: He understudied Ireland's first-choice secondrow in the first three matches coming on as a replacement in each game before missing out against England but he returns to the replacements for the final match of the campaign.

20 Diarmuid Mangan

Club: UCD

School: Newbridge College

Age: 19

Height: 6ft5in

Weight: 107kgs (16st 9lbs)

Lowdown: He made his debut against England the last day – he'd previously had injury issues – enjoying a nine-minute cameo. The former Newbridge College player was an outstanding schoolboy player and can play either in the secondrow or backrow, given his athletic ability.

21 Ethan Coughlan

Club: Shannon

School: Rice College, Ennis

Age: 19

Height: 5ft9in

Weight: 81kgs (12st 8lbs)

Lowdown: He is one of three players who played with Ennis RFC at underage level and came through the Munster Youths set-up. He played Gaelic football and hurling with St Joseph's Doora-Barefield. He made his Munster senior debut in the Champions Cup win over Wasps.

22 Tony Butler

Club: Garryowen

School: St Flannan's College, Ennis

Age: 19

Height: 5ft11in

Weight: 85kgs (13st 4lbs)

Lowdown: The second product of Ennis RFC and a talented sportsman. He helped St Flannan's win the Harty Cup (2020), played minor hurling for Clare and along with Coughlan made his Munster debut in the European win against Wasps.

23 Chay Mullins

Club: Bristol Bears

School: SGS Filton, Bristol

Age: 20

Height: 6ft3in

Weight: 94kgs (14st 9lbs)

Lowdown: He played at this level last season and is the joint top try-scorer with three during the current campaign, despite missing the French match. Starts on the bench but at some stage he will provide Ireland with a cutting edge out wide with his footwork and pace.

The Rest

Ben Brownlee (centre)

Club: UCD

School: Blackrock College

Age: 19

Height: 6ft2in

Weight: 96kgs (15st 1lb)

Lowdown: He scored tries in the opening two games, including the decisive last-minute effort against France but unfortunately sustained a broken hand in the victory over Italy. He'd been having a very good tournament.

Shane Mallon (wing)

Club: UCD

School: Cistercian College, Roscrea

Age: 19

Height: 6ft

Weight: 93kg (14st 7lbs)

Lowdown: The former Longford rugby club player was first-choice left wing but hasn't been involved in the last couple of matches after Fionn Gibbons was relocated from centre to wing.

Dylan O’Grady (fullback)

Club: UCD

School: Belvedere College

Age: 19

Height: 5ft11in

Weight: 80kgs (12st 6lbs)

Lowdown: He played his early club rugby with Suttonians before going to school at Belvedere from where he played provincial age-grade rugby. He was backline cover in the first three matches before missing out against England.

Daniel Hawkshaw (centre)

Club: Clontarf

School: Belvedere College

Age: 19

Height: 6ft3in

Weight: 90kgs (14st 2lbs)

Lowdown: The younger brother of Leinster's David (he will join Connacht in the summer), who was Ireland's Grand Slam captain in 2019. Daniel played alongside Brownlee in the centre in the victory over France.

James McNabney (Secondrow)

Club: Ballymena

School: Cambridge House Grammar School, Ballymena

Age: 19

Height: 6ft5in

Weight: 107kgs (16st 9lbs)

Lowdown: The first to wear the number six jersey and enjoyed a try-scoring performance against Wales and went on to start against France and Italy before Lorcan McLoughlin took over the run-on role against England and Scotland.

Darragh McSweeney (prop)

Club: Shannon

School: PBC, Cork.

Age: 19

Height: 6ft3in

Weight: 130kgs (20st 5lbs)

Lowdown: The Shannon tighthead prop was called into the matchday 23 for the games against France, where he made a handsome contribution in a fraught end game and Italy.

Conor Moloney (flanker)

Club: Young Munster

School: St John Bosco Community College, Kildysart

Age: 19

Height: 6ft2in

Weight: 110kgs (17st 4lbs)

Lowdown: The third young player to have played underage rugby with Ennis RFC, he only took up the game in his mid-teens. He has featured prominently for Young Munster in the All Ireland League.

Ronan O’Sullivan

Club: Highfield

School: CBC Cork

Age: 19

Height: 6ft

Weight: 99kgs (15st 9lbs)

Lowdown: The Highfield flanker played 19 minutes of Ireland's opening match in the Six Nations at Musgrave Park when replacing James McNabney.